/**
 * Copyright 2008 Matthew Purland (m.purland@gmail.com)
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package org.variance;



/**
 *
 *
 * @todo Auto-generated doc stub for SessionFactory.
 *
 * @author Matthew Purland
 */
public interface SessionFactory {

    /**
     * Close the session factory and destroy and release all associated resources
     * including data sources.
     */
    void close();

    /**
     * Open and return a session.
     */
    VarianceSession openSession();

    /**
     * Get the current associated session.
     */
    VarianceSession getCurrentSession();

    /**
     * Was the SessionFactory already closed?
     *
     * @return true if the factory was closed; otherwise false.
     */
    boolean isClosed();
}
